Bash script for finding and deleting orphaned files. Works best with the Silver Searcher (https://github.com/ggreer/the_silver_searcher). Works well with ack (http://beyondgrep.com/). Works okay with grep, but you're not really still using grep, are you? Using ag or ack allows you to respect your config files and ignore files you don't want to s…

orphan

#! /bin/bash
#
#  USAGE:
#      orphan [-dv] filename
#
#  OPTIONS:
#      -d   delete the file if it is an orphan
#      -f   force (ie, don't prompt)
#      -h   display help text
#      -v   verbose


OPTERR=0
foundopts=false
dodelete=false
force=false
useverbose=false
files=''
filecount=0
matches=''
matchcount=0

findfiles(){
    files=`find . -name $1`
    filecount=`echo $files | sed '/^\s*$/d' | wc -l`
    if [ $filecount -eq 0 ]; then
        echo "File not found: $1"
        return 1
    fi
    if [ $filecount -gt 1 ]; then
        echo "Too many files found:"
        echo "$files"
        #find . -name $1
        return 1
    fi
}

findmatches(){
    if command -v ag >/dev/null 2>&1
    then # use silver-searcher if available
        matches=`ag --color $1`
    elif command -v ack >/dev/null 2>&1
    then # else, use ack if available
        matches=`ack $1`
    else # otherwise, just use grep
        matches=`grep -r '$1' *`
    fi
    matchcount=`echo $matches | sed '/^\s*$/d' | wc -l`
    if [ $matchcount -gt 0 ]; then
        echo "File '$1' appears to be in use."
        if $useverbose ; then
            echo $matches
        fi
        return 1
    fi
}

usage(){
    echo
    echo "  USAGE:"
    echo "      orphan [-dfhv] filename"
    echo
    echo "  OPTIONS:"
    echo "      -d   delete the file if it is an orphan"
    echo "      -f   force (ie, don't prompt)"
    echo "      -h   display this help text"
    echo "      -v   verbose"
    echo
}

while getopts dfhv opt
do
    foundopts=true
    case $opt in
        d)
            dodelete=true
            ;;
        f)
            force=true
            ;;
        h)
            usage
            ;;
        v)
            useverbose=true
            ;;
        *)
            echo "unrecognized flag $OPTARG"
            ;;
    esac
done

if $foundopts ; then
    shift
fi

if [ $# -lt 1 ]; then
    usage
    exit 0;
fi

while (( "$#" )); do
    #echo
    if [ -d $1 ]; then
        echo "skipping directory $1"
        shift
        continue
    fi
    basefilename=$(basename $1)
    findfiles $basefilename
    if [ $? -ne 0 ]; then
        shift
        continue
    fi
    if $useverbose ; then
        echo "found $files"
        echo "searching files"
    fi
    findmatches $basefilename
    if [ $? -ne 0 ]; then
        shift
        continue
    fi
    echo "$basefilename appears to be an orphan."
    if $dodelete ; then
        if ! $force ; then
            read -p "Delete? [y/n] " -n 1 -r
            echo
        fi
        if ( $force || [[ $REPLY =~ ^[Yy]$ ]] ); then
            if [ -d .git ]; then
                git rm $files
            else
                if [ -d .hg ]; then
                    hg rm $files
                else
                    rm $files
                fi
            fi
            echo "Deleted."
        fi
    fi
    shift
done

Thanks!